let theseKeys = psychoJS.eventManager.getKeys({keyList:['space']});
   
// check for quit:
if (theseKeys.indexOf('escape') > -1) {
  psychoJS.experiment.experimentEnded = true;
}

if (theseKeys.length > 0) { // at least one key was pressed
  let completed_ratings = 0;
  for(var thisSlider of [mainSoundsratings]) {
    if (thisSlider.getRating() !== undefined) { // so equality check is with an undefined type, not string
      completed_ratings = completed_ratings + 1;
    }
  }

  if (completed_ratings === 1) {
        continueRoutine = false; // end now
    }
  }



